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Validation of Energy Expenditure Measures Study

Recruitingn/aAges 18 Years - 65 YearsAllUniversity of Leipzig
NCT07155564 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The energy that the human body burns and the amount of food consumed determine a person's body weight. If food intake covers the amount of energy burned, body weight remains constant - a state known as energy balance. Achieving an energy balance is not easy in everyday life. This is reflected in the increasing number of people suffering from morbid obesity. To counteract this development, it is important to have a better understanding of how much food a person should eat. In this study, the investigators will investigate the amount of food needed to meet a person's energy needs and bring them into energy balance. Primary aims of the study are i) to technically and biologically validate two whole-room indirect calorimeters (WRICs) and ii) by using whole-room indirect calorimetry, to achieve a more accurate estimate of a person's emergy balance compared to common approximation formulas.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Abilty to provide informed consent * Written declaration of consent * Healthy study participants * Able to perform moderate physical exercise using a bike ergometer * Women: continuous contraception/fullicular phase of menstrual cycle Exclusion Criteria: * Weight change \> 5 kg or 5% of body weight in the last 3 months * Nicotine abuse, Alcohol/drug abuse * Strenuous physical activity in everyday life \> 1 h per day * Body mass index \< 18.5 kg/m² or ≥ 40 kg/m² * Chronic diseases with an impact on energy expenditure * Food allergy/intolerance, vegan diet * Circumstances that speak against the application of wearable accelerometers (e.g. silicone contact allergy) * Impaired fasting glucose, diabetes mellitus and prediabetes * Pregnancy/breastfeeding * Claustrophobia * Refusal to communicate incidental findings
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What it tests

  • Not listed
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Where

1 site
Department of Internal Medicine, Clinic for Endocrinology, Nephrology and Rheumatology, University of Leipzig
Leipzig, Germany
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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